The 48 sounds pretty much the same as the 89.

The 89 has the old carbon contact buttons with the rubber sheet. Those wear
out after many years, fixing an old-skool Nintendo controller the rubber
sheet was practically shredded. Stuff like that.

10Mhz Motorola 68000. :D

The 89 does symbolic calculation, derivation and integration (symbolically),
FLASH ROM for the upgradeable ROM and for the archive memory, where you can
store variables and stuff that don't get edited, like most asm games. It's
got 188k user-available RAM and 384k FLASHROM. Nice high-res display,
160x100. Everything is displayed as it would be written in a textbook. It has
tons of functions, like complex zeroes, taylor series, limit, sigma including
to infinity, product including to infinity, 3D graphing. The algebraic solver
can take any number of entries compounded by 'and', like 'y=2x^4+5 and y=5x
and x>2', and it can return expressions if the solution isn't a number. And
of course differential equation graphing and all that. I don't think RAM is
upgradeable, but there are 3rd party RAM expansions that use the link port.

There is now a freeware 3rd party gcc compiler for it too. Woohoo!

--
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/

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